Worm Gold Plus - Urban Garden Farms 20 Dry Quart Bag Worm Gold Plus Pure Earthworm Castings with Added Fossilized Kelp & Volcanic Rock No Manure or Landscape Waste Used to Feed Worms Non-Toxic, Non-Hazardous, Will NOT Burn Plants 100% Organic & Safe For All Types of Plants Add 10-20% By Volume to Potting Mix or Compost for Best Results